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Birth Control is the most effective when you've been on it for 4 weeks and finished your first period.

My doctor says 3 months.

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Q: How long do you have to wait for birth control to be MOST effective before you have sex...I have heard a week to three months?
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What is the purpose of a birth control shot?

The birth control shot is a very effective form of birth control. The hormone progesterone in the birth control shot works by preventing ovulation. The shot is given in the arm or the buttocks every three months. There is a chance of pregnancy if you wait over three months for your next shot.


What is the least effective form of birth control?

Probably praying is the least effective form of birth control.


How long before birth control become effective if the condom breaks?

almost 2 weeks


You started birth control 10 days after your period and a week after your bf ejaculated inside you are you safe from pregnancy?

No. You need to start birth control BEFORE you have sex for it to be effective.


If on birth control can you still get pregnant?

Yes, you can. While birth control is reliable, there is no birth control that is 100% effective.


Are birth control pills still effective if you break them into little pieces before swallowing?

Yes, you can chew or dissolve the birth control pill as long as you are certain you swallowed all of the pieces.


Is there a chance of getting pregnant when taking birth control?

No method of birth control is 100% effective.


Is birth control pill is the most common and most effective birth control method?

True


How effective is Yaz birth control after 9 months?

This is what i found on this subject: "I'm on Yaz for 9 months now and i always start getting my period by the 3rd day of the placebo pill."


How long does it take for the birth control pill to be 100 percent effective?

Birth control pills can never be considered 100% effective, im 12 and i no that


I just started birth control Do you have to take birth control for a full month before it prevents pregnancy?

usually if you take the birth control for a week straight without missing any you will be protected. even if you use birth control it isn't 100% effective, so you should use condoms to be safe.


If you take birth control at night is it still as effective as taking it in the day?

Yes, the birth control pill will be effective at any time that you choose that is convenient for you. However, you must take your birth control pills everyday at the same time in order for it to remain effective.